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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Engine Controls And Fuel - 1.5L (LFV) - DTC P0010-DTC P0366) >> Diagnostic Information and Procedures >> DTC P0033-P0035 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector:Q40 Turbocharger Bypass Solenoid Valve
  3. Test for 10 to 14 ohms between the test points:Control terminal 2 & Ignition terminal 1
    • If not between 10 and 14 ohms 

      Replace the component:Q40 Turbocharger Bypass Solenoid Valve

    • Go to next step: If between 10 and 14 ohms 
  4. Test for infinite resistance between the test points:Each terminal of the component & The component's housing
    • If less than infinite resistance 

      Replace the component:Q40 Turbocharger Bypass Solenoid Valve

    • Go to next step: If infinite resistance 
  5. All OK.

Dynamic Test

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector:Q40 Turbocharger Bypass Solenoid Valve
  3. Connect a 10 A fused jumper wire between the test points:Ignition terminal 1 & 12 V
    4. CAUTION:

    Complete the testing as quickly as possible in order to prevent overheating and damaging the component.

  4. Momentarily connect a jumper wire between the test points:Control terminal 2 & Ground

    Verify the component turns On and Off when connecting and disconnecting the jumper wire:Q40 Turbocharger Bypass Solenoid Valve

    • If the component does not turn On and Off 

      Replace the component:Q40 Turbocharger Bypass Solenoid Valve

    • Go to next step: If the component turns On and Off 
  5. All OK.
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